java jbutton 禁用

您只需将按钮的禁用图标设置为与按钮图标相同的值即可.看这个例子：

在左侧是一个按钮,我在其中设置了icon和disabledIcon.在右边我只设置了图标：

import java.awt.BorderLayout;

import java.net.MalformedURLException;

import java.net.URL;

import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.SwingUtilities;

public class TestDisabledButtons {

public static final String CARD_URL = "http://assets0.wordansassets.com/wvc-1345850020/wordansfiles/images/2012/8/24/156256/156256_340.jpg";

protected void createAndShowGUI() throws MalformedURLException {

JFrame frame = new JFrame("Test button");

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

ImageIcon imageIcon = new ImageIcon(new URL(CARD_URL));

JButton button = new JButton(imageIcon);

JButton button2 = new JButton(imageIcon);

button.setDisabledIcon(imageIcon);

button.setEnabled(false);

button2.setEnabled(false);

frame.add(button, BorderLayout.WEST);

frame.add(button2, BorderLayout.EAST);

frame.pack();

frame.setVisible(true);

}

public static void main(String[] args) {

SwingUtilities.invokeLater(new Runnable() {

@Override

public void run() {

try {

new TestDisabledButtons().createAndShowGUI();

} catch (MalformedURLException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

});

}

}